(Repeats story published on Nov 10) WARSAW (Reuters) - Central Europe's largest utility group, Czech CEZ <CEZP.WA>, will replace hotel group Orbis <ORBS.WA> in the main WIG 20 stock market index <.WIG20> in Warsaw next month, the bourse said on Friday. CEZ, also listed in Prague, debuted on the Warsaw bourse in October. It is the biggest stock on central Europe's leading exchange and its first listed major utility. ((Reporting by Karolina Slowikowska; Reuters Messaging: karolina.slowikowska.reuters.com@reuters.net; tel. +48 22 653 9725)) Keywords: UTILITIES CZECH CEZ